Mattermost Server 10.5.x <= 10.5.12 / 10.11.x <= 10.11.4 / 10.12.x <= 10.12.1 / 11.0.x <= 11.0.3 の不適切な認証 (MMSA-2025-00547)

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バージョン 1.4 Feb 27, 2026, 1:16 PM CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C") Exploit attributes ("Exploit available" set to "False") Exploit attributes ("Exploitability ease" set to "No known exploits are available") Plugin Feed: 202602271316
バージョン 1.3 Feb 25, 2026, 1:08 AM IAVM reference Plugin Feed: 202602250108
バージョン 1.2 Dec 12, 2025, 5:16 PM New Plugin Feed: 202512121716
バージョン 1.1 Dec 11, 2025, 12:59 PM New Plugin Feed: 202512111259

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